由于所有数据存储写必须在两个位置上同步地执行，这种解决方案的设计必须考虑主站点与辅助站点之间所需的 IO 带宽。

Since all data storage writes must be performed synchronously at both locations the solution design must account for IO bandwidth needed between the primary and secondary sites.

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在某种意义上，“DASD很廉价”，带宽也变得越来越廉价(“ DASD ”是IBM对“硬盘”的旧称；这个措词在设计上很陈腐)。

In a sense, "DASD is cheap," and bandwidth is also getting cheaper (" DASD "is an old IBM way of saying" hard disks "; and the phrase is a design cliche).

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使用简短的主题虽然可以节约带宽，但一个设计良好的主题空间则应该更具描述性且允许在订阅应用程序中使用通配符，因此更有实际意义和益处。

Although you can save bandwidth by using short topics, a well-designed topic space that is more descriptive and that allows the use of wildcards in subscribing applications has substantial benefits.

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